//
// XAttribute.cs
//
// Author:
//   Michael Hutchinson <mhutchinson@novell.com>
//
// Copyright (C) 2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using ICSharpCode.NRefactory;

namespace MonoDevelop.Xml.Dom
{
	public class XAttribute : XObject, INamedXObject
	{

		public XAttribute (TextLocation start, XName name, string value) : base (start)
		{
			this.Name = name;
			this.Value = value;
		}

		public XAttribute (TextLocation start) : base (start)
		{
		}

		public XName Name { get; set; }

		public override bool IsComplete { get { return base.IsComplete && IsNamed; } }
		public bool IsNamed { get { return Name.IsValid; } }

		public string Value { get; set; }
		public XAttribute NextSibling { get; internal protected set; }

		protected XAttribute () {}
		protected override XObject NewInstance () { return new XAttribute (); }

		protected override void ShallowCopyFrom (XObject copyFrom)
		{
			base.ShallowCopyFrom (copyFrom);
			var copyFromAtt = (XAttribute) copyFrom;
			//immutable types
			Name = copyFromAtt.Name;
			Value = copyFromAtt.Value;
		}

		public override string ToString ()
		{
			return string.Format (
				"[XAttribute Name='{0}' Location='{1}' Value='{2}']", Name.FullName, Region, Value);
		}

		public override string FriendlyPathRepresentation {
			get { return "@" + Name.FullName; }
		}
	}
}